<?php
function array_munique($array) {            //Ichier 2004
    foreach ($array AS $key => $val) {
        $array[$key] = serialize($val);
    }
    $array = array_unique($array);
    foreach ($array AS $key => $val) {
        $array[$key] = unserialize($val);
    }
    return $array;
}
?>

<?php
array = array_munique(array input);
?>